agents Impresarios brokers Emissaries Agencies lieutenants Auxiliaries Middlemen substitutes Deputies gimcracks go-betweens gear widgets appointees conductors executors conveniences delegates Attorneys Apparatuses Intermediaries mediators utilities representatives implements ombudsmen contrivances tools factors machines gadgets actors engines alternates gizmos appliances surrogates devices contraptions delegations operatives liaisons Proxies doodads utensils media seconds Facilities Vehicles gimmicks